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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,79 @@ | ||
| #!/usr/bin/env python3 | ||
| # | ||
| # Authors: Christoph Lehner 2024 | ||
| # | ||
| # Benchmark Indexed Sum | ||
| # | ||
| import gpt as g | ||
| import numpy as np | ||
| import cgpt | ||
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| # mute random number generation | ||
| g.default.set_verbose("random", False) | ||
| rng = g.random("benchmark") | ||
|
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| # main test loop | ||
| for precision in [g.single, g.double]: | ||
| grid = g.grid(g.default.get_ivec("--grid", [16, 16, 16, 32], 4), precision) | ||
| N = 100 | ||
| Nwarmup = 5 | ||
| g.message( | ||
| f""" | ||
| Indexed Sum Benchmark with | ||
| fdimensions : {grid.fdimensions} | ||
| precision : {precision.__name__} | ||
| """ | ||
| ) | ||
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| # coordinates | ||
| idx = g.complex(grid) | ||
| idx[:] = np.ascontiguousarray(g.coordinates(idx)[:, 3].astype(np.complex128)) | ||
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||
| # Source and destination | ||
| for tp in [g.ot_singlet(), g.ot_vector_spin_color(4, 3), g.ot_matrix_spin_color(4, 3)]: | ||
| for n in [1, 4, 16]: | ||
| one = [g.lattice(grid, tp) for i in range(n)] | ||
| rng.cnormal(one) | ||
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| # Rank inner product | ||
| nbytes = (one[0].global_bytes() * n + idx.global_bytes()) * N | ||
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| # Time global | ||
| dt = 0.0 | ||
| cgpt.timer_begin() | ||
| for it in range(N + Nwarmup): | ||
| if it >= Nwarmup: | ||
| dt -= g.time() | ||
| ip = g.indexed_sum(one, idx, grid.gdimensions[3]) | ||
| if it >= Nwarmup: | ||
| dt += g.time() | ||
|
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| # Time local | ||
| rank_dt = 0.0 | ||
| for it in range(N + Nwarmup): | ||
| if it >= Nwarmup: | ||
| rank_dt -= g.time() | ||
| g.slice(one, 3) | ||
| if it >= Nwarmup: | ||
| rank_dt += g.time() | ||
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| # Report | ||
| GBPerSec = nbytes / dt / 1e9 | ||
| rank_GBPerSec = nbytes / rank_dt / 1e9 | ||
| cgpt_t = g.timer("ris") | ||
| cgpt_t += cgpt.timer_end() | ||
| g.message( | ||
| f"""{N} indexed_sum | ||
| Object type : {tp.__name__} | ||
| Block : {n} | ||
| Time to complete : {dt:.2f} s (indexed_sum) | ||
| Time to complete : {rank_dt:.2f} s (slice) | ||
| Effective memory bandwidth : {GBPerSec:.2f} GB/s (indexed_sum) | ||
| Effective memory bandwidth : {rank_GBPerSec:.2f} GB/s (slice) | ||
| {cgpt_t} | ||
| """ | ||
| ) | ||
|
|
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